<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>百叶窗效果</title>
    <link rel="stylesheet" href="../CSS/Js-Add-task1.2.css" type="text/css">
    <script type="text/javascript" src="../CSS/Js-Add-task1.2.js"></script>
</head>
<body>

<div id="Outermost">
    <div id="Dynamic"></div>
</div>

<div id="Button">百叶窗效果按钮</div>

<script language="JavaScript">
    var oDiv=document.getElementById("Button");
    var dDiv=document.getElementById("Dynamic");
    var timer=null;
    var height=300;
</script>

</body>
</html>